Base | Representation |
---|---|
bin | 100101100100000100… |
… | …1111111100011011100 |
3 | 21201012212002021101102 |
4 | 1023020021333203130 |
5 | 2310201333133030 |
6 | 101020315532232 |
7 | 5554005134231 |
oct | 1131011774334 |
9 | 251185067342 |
10 | 80667474140 |
11 | 31235760300 |
12 | 1377345a078 |
13 | 77b74c6626 |
14 | 3c93687788 |
15 | 2171db8c45 |
hex | 12c827f8dc |
80667474140 has 36 divisors (see below), whose sum is σ = 186201869448. Its totient is φ = 29333626080.
The previous prime is 80667474137. The next prime is 80667474161. The reversal of 80667474140 is 4147476608.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16664414 + ... + 16669253.
Almost surely, 280667474140 is an apocalyptic number.
It is an amenable number.
80667474140 is an abundant number, since it is smaller than the sum of its proper divisors (105534395308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80667474140 is a wasteful number, since it uses less digits than its factorization.
80667474140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33333698 (or 33333685 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 47.
The spelling of 80667474140 in words is "eighty billion, six hundred sixty-seven million, four hundred seventy-four thousand, one hundred forty".
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